PAC Racing Springs 7 Degree Valve Lock - 11/32 in Valve Stem - Standard Height - Black Oxide (Set of 16) PAC-L8146-16 SC02501 Chevrolet: Two-Ten Series 57 -

Chevrolet: Two-Ten Series 57 - 57 4

1962-1965 Oldsmobile Dynamic

GM LS-Series / Ford Modular / Mopar Gen III Hemi

It is preset to run Top Air

PAC Racing Springs 7 Degree Valve Lock - 11/32 in Valve Stem - Standard Height - Black Oxide (Set of 16) PAC-L8146-16 SC02501 Chevrolet: Two-Ten Series 57 -Product Description: Valve Lock 7 Degree 11 32 in Valve Stem Standard Height Steel Black Oxide Set of 16 Traditional Springs are made from the same size (Diameter) wire throughout the helix of the spring. PAC Racing Springs has partnered with technology leaders in order to provide this advanced new tapered wire product. Tapered wire allows for a true progressive and dual rate without reducing spring travel and increasing weight from traditional